74940250121 has 8 divisors (see below), whose sum is σ = 81797671488. Its totient is φ = 68090274000.

The previous prime is 74940250109. The next prime is 74940250127. The reversal of 74940250121 is 12105204947.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74940250121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74940250127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1840250 + ... + 1880531.

It is an arithmetic number, because the mean of its divisors is an integer number (10224708936).

Almost surely, 2^74940250121 is an apocalyptic number.

It is an amenable number.

74940250121 is a deficient number, since it is larger than the sum of its proper divisors (6857421367).

74940250121 is a wasteful number, since it uses less digits than its factorization.

74940250121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3722623.

The product of its (nonzero) digits is 20160, while the sum is 35.

The spelling of 74940250121 in words is "seventy-four billion, nine hundred forty million, two hundred fifty thousand, one hundred twenty-one".